CN108951862B - Node structure for rigid connection of rolled steel beam and steel column, manufacturing method and residential structure system - Google Patents
Node structure for rigid connection of rolled steel beam and steel column, manufacturing method and residential structure system Download PDFInfo
- Publication number
- CN108951862B CN108951862B CN201811026052.0A CN201811026052A CN108951862B CN 108951862 B CN108951862 B CN 108951862B CN 201811026052 A CN201811026052 A CN 201811026052A CN 108951862 B CN108951862 B CN 108951862B
- Authority
- CN
- China
- Prior art keywords
- steel
- plate
- node
- web
- column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 133
- 239000010959 steel Substances 0.000 title claims abstract description 133
- 238000004519 manufacturing process Methods 0.000 title abstract description 10
- 210000001503 joint Anatomy 0.000 claims description 17
- 238000003466 welding Methods 0.000 abstract description 27
- 238000010276 construction Methods 0.000 abstract description 19
- 230000035515 penetration Effects 0.000 abstract description 5
- 238000009417 prefabrication Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2418—Details of bolting
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2448—Connections between open section profiles
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2457—Beam to beam connections
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The application relates to a node structure for rigidly connecting a rolled steel beam and a steel column, a manufacturing method and a residential structure system. The node structure comprises: center node, steel beam, web splice plate and upper and lower steel columns; the central node is welded and prefabricated in a factory; welding a lapping plate above two sides of the upper flange of the steel beam respectively; the girder steel flange, the web and the central node are all connected by high-strength bolts. The application omits the on-site butt welding penetration welding of the flange of the bolt welding connection node, and realizes the full bolt assembly of the beam column and the node in the construction site; compared with the traditional full-bolt connection node, the number of bolts at the flange part is reduced by half; the laying and overlapping mode of the flange part is convenient for the construction of the beam to be in place and connected with the bolts; the multi-layer column and the standardized node are welded and prefabricated into a whole in a factory, so that the speed of on-site construction and assembly is increased. In addition, the beam at the joint part is communicated and is stressed reasonably; realizing factory standardized prefabrication production; the on-site assembly is convenient and quick, and the construction speed is improved.
Description
Technical Field
The application relates to the technical field of building structure node connection, in particular to a node structure for rigid connection of a rolled steel beam and a steel column, a manufacturing method and a residential structure system.
Background
The existing specifications provide that the steel structure beam column connecting nodes with more applications in engineering are bolt welding connecting nodes (the structure of the steel structure beam column connecting nodes is shown in a figure 1 a), and particularly the steel structure beam column connecting nodes are in flange butt penetration welding connection and web high-strength bolt connection. The method is characterized in that the columns at the joint part are communicated, stiffening inner partition plates are arranged at the positions of the flanges of the beams in the columns, the flange connection is a butt penetration welding line, the butt welding line is required to be a primary welding line, the field is mostly high-altitude operation, and 100% welding line detection is required. In addition, there are all-bolt beam-column connection nodes (the structure of which is shown in fig. 1 b), specifically, flanges are also connected by bolts, and the number of bolts of the connection nodes is large. The connection of the columns is also butt fusion welding at the construction site, the on-site welding workload is large, the welding time is long, and the construction quality is not easy to control.
The information disclosed in this background section is only for enhancement of understanding of the general background of the application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The application aims to provide a node structure for rigidly connecting a rolled steel beam and a steel column, a manufacturing method and a residential structure system, and aims to solve the technical problems in the prior art.
In order to achieve the above purpose, the present application adopts the following technical scheme:
the application provides a node structure for rigidly connecting a rolled steel beam and a steel column, which comprises the following components: center node, steel beam, web splice plate and upper and lower steel columns; wherein,,
the central node comprises a bottom plate, a column web plate, a cover plate and a beam web plate; the bottom plate, the column web plate and the cover plate are sequentially welded and connected from bottom to top; the beam web is welded on the outer side wall of the column web;
the upper steel column and the lower steel column are respectively welded with the cover plate and the bottom plate;
the steel beam is a welded H-shaped beam, and a lap plate is welded above two sides of the upper flange of the steel beam respectively; the lap plate and the lower flange of the steel beam are fixedly connected with the cover plate and the bottom plate through high-strength bolts respectively; the length of the connecting part of the bottom plate and the lower flange is longer than that of the connecting part of the cover plate and the lapping plate; and after the web plate of the steel beam is in butt joint with the web plate of the beam, the steel beam is fixedly connected with the web plate of the beam through the web plate splice plate and the high-strength bolts.
As a further technical scheme, the two sides of the butt joint part of the web plate of the steel beam and the web plate of the beam are provided with the web plate splice plates.
As a further technical scheme, the node structure comprises a plurality of layers of center nodes and steel columns which are welded and connected in sequence.
A method of making a node structure for rigid connection of a rolled steel beam to a steel column, comprising the steps of:
s1: welding and prefabricating a bottom plate, a column web plate, a cover plate and a beam web plate in the central node in a factory;
s2: prefabricating and welding the upper steel column, the lower steel column, the cover plate and the bottom plate into a whole in a factory;
s3: sequentially welding a plurality of steel columns and central nodes according to requirements to form a multi-layer steel column and central node integrated prefabrication unit;
s4: prefabricating and welding a lap plate on each side of the upper flange of the steel beam in a factory;
s5: after the lapping plate is lapped with the cover plate, fixedly connecting the steel beam with a central node through a high-strength bolt;
s6: and fixedly connecting the web plate of the steel beam with the web plate of the beam through the web plate splice plate and the high-strength bolts.
By adopting the technical scheme, the application has the following beneficial effects:
the application omits the on-site butt welding penetration welding of the flange of the bolt welding connection node, and realizes the full bolt assembly of the beam column and the node in the construction site; compared with the traditional full-bolt connection node, the number of bolts at the flange part is reduced by half; the laying and overlapping mode of the flange part is convenient for the construction of the beam to be in place and connected with the bolts; the multi-layer column and the standardized node are welded and prefabricated into a whole in a factory, so that the speed of on-site construction and assembly is increased. In addition, the beam at the joint part is communicated and is stressed reasonably; realizing factory standardized prefabrication production; the on-site assembly is convenient and quick, and the construction speed is improved.
The application also discloses a residential structure system with the node structure, which comprises: vertical bearing units, transverse bearing units and prefabricated floors;
the vertical bearing unit comprises a plurality of upright posts which are sequentially butted up and down; the upper steel column and the lower steel column are arranged on the upper side of the lower column; the upper steel column and the lower steel column are connected through the central node;
the transverse load bearing unit comprises: the support wall comprises a transverse bearing frame and a support wall body arranged outside the transverse bearing frame; the transverse bearing frame comprises the steel beams transversely arranged on the edge above the enclosure wall;
a plurality of vertical bearing units are used as vertical bearing structures of the building to be erected at intervals in parallel; the transverse bearing units are arranged between two adjacent vertical bearing units;
connecting ends extending out of the enclosure wall are respectively arranged at two ends of the steel beam; the connecting end is lapped on the central node, and the upper flange and the lower flange of the connecting end are fixedly connected with the cover plate and the bottom plate of the central node through high-strength bolts respectively; the web plate of the connecting end is fixedly connected with the web plate of the central node through the web plate splice plate and the high-strength bolt after being in butt joint;
the edge of the precast floor slab comprises a lap joint part used for being connected with the transverse bearing unit, the lap joint part is lapped on the steel beam of the transverse bearing unit, an upper connecting structure is arranged on the outer side face of an upper flange of the steel beam, the lap joint part of the precast floor slab is provided with a steel bar sleeve ring protruding out of the enclosure wall body, the upper connecting structure is inserted in the steel bar sleeve ring, and concrete is poured at the joint of the precast floor slab and the transverse bearing unit to enable the precast floor slab and the transverse bearing unit to be connected into a whole; and gaps between the transverse bearing units and the vertical bearing units on the left side and the right side are filled with concrete, so that the transverse bearing units and the vertical bearing units on the left side and the right side are connected into a whole.
Further, in the height direction, the two adjacent upper and lower transverse bearing units comprise an upper transverse bearing unit and a lower transverse bearing unit; and a space is reserved between the upper transverse bearing unit and the lower transverse bearing unit, and the edge of the precast floor slab stretches into the space and is lapped on the steel beam of the lower transverse bearing unit.
Further, the transverse bearing frame also comprises a lower frame beam transversely arranged at the lower edge of the enclosure wall; a lower connecting structure is preset on the bottom surface of the lower frame beam; the lower connecting structure of the upper transverse bearing unit is downwards inserted into the steel bar sleeve ring at the edge of the precast floor slab.
Further, the gap between the upper transverse bearing unit and the vertical bearing units at two sides and the interval between the upper transverse bearing unit and the lower transverse bearing unit are connected to form a U-shaped post-cast strip; the U-shaped post-cast strip is completely filled with concrete, and the upper transverse bearing unit, the vertical bearing unit and the lower transverse bearing unit are connected into a whole.
Further, the edge of the top surface of the overlap joint part of the prefabricated floor slab is provided with a sunken stage, and in the height direction, a lower frame beam of the upper transverse bearing unit extends into the stage, and an L-shaped seam communicated with the inside and the outside of the interval is formed between the stage and the upper transverse bearing unit.
In the direction of height, the lower frame roof beam of prefabricated enclosure of top stretches into in the overlap joint portion step, the top surface of prefabricated floor exceeds the lower frame roof beam bottom surface setting of prefabricated enclosure of top promptly, from this the lower frame roof beam of prefabricated enclosure of top forms a limit structure that prevents prefabricated floor horizontal migration naturally, when natural disasters such as earthquake take place, can prevent effectively that prefabricated floor from breaking away from the steel in the prefabricated enclosure and dropping, and shock resistance is better.
Further, the upper connection structure and the lower connection structure are pegs, connecting rods, steel bar segments or connecting pieces.
Further, the lower frame beam is an I-shaped beam, and the I-shaped beam comprises a flange and a web plate.
Further, the edges of the precast floor slabs comprise butt joint parts which are in butt joint with the adjacent precast floor slabs, sinking tables are arranged on the top surfaces of the edges of the butt joint parts, and overhanging beard ribs are arranged on the corresponding side surfaces of the sinking tables on the butt joint parts; the adjacent two precast floor slabs are butted together, the sinking tables on the butted parts of the two precast floor slabs are butted to form a U-shaped groove, and the beard ribs on the butted parts of the two precast floor slabs are mutually lapped and connected; and filling concrete into the U-shaped groove.
The residential structure system disclosed by the application is a steel structure residential building system capable of being quickly assembled on a construction site, solves the problems of exposed column of a beam, unmatched enclosure structures, joint processing of assembled components and the like, reduces component connection parts and accelerates construction speed.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following description will briefly explain the drawings needed in the embodiments or the prior art, and it is obvious that the drawings in the following description are some embodiments of the present application and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1a is a schematic view of a prior art steel structure beam-column connection node;
FIG. 1b is a schematic view of a prior art steel structure beam-column connection node;
fig. 2 is a schematic overall structure of a node structure according to embodiment 1 of the present application;
fig. 3 is a schematic structural diagram of a central node according to embodiment 1 of the present application;
fig. 4 is a schematic diagram of a connection structure between upper and lower steel columns and a central node provided in embodiment 1 of the present application;
fig. 5 is a schematic structural view of a steel beam according to embodiment 1 of the present application;
fig. 6 is a schematic diagram of a connection structure between a multi-layer center node and a steel column according to embodiment 1 of the present application;
fig. 7 is a schematic diagram of a connection structure of a center node, a steel column and a steel beam according to embodiment 1 of the present application;
FIG. 8 is a schematic view of the connection structure of the center node, steel column, steel beam, and web splice plate provided in embodiment 1 of the present application;
fig. 9 is a schematic structural view of a transverse load-bearing unit according to embodiment 3 of the present application;
fig. 10 is a schematic structural diagram of a prefabricated floor slab according to embodiment 3 of the present application;
fig. 11 is a schematic diagram of the lap joint construction of a residential system provided in example 3 of the present application.
Icon: 1-a central node; 2-steel columns; 3-steel beams; 4-lapping plates; 5-a bottom plate; 6-cover plate; 7-column webs; 8-beam webs; 9-high-strength bolts; 10-a web splice plate; 20-transverse load-bearing units; 21-a containment wall; 23-upper connection structure; 2 a-connecting ends; 30-prefabricating the floor slab; 31-lap; 32-a butt joint part; 33-a rebar collar; 34-Huzi tendon.
Detailed Description
The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the application are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The following describes specific embodiments of the present application in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the application, are not intended to limit the application.
Embodiment one:
as shown in fig. 2 to 5, the present embodiment provides a node structure for rigid connection of steel structural beams and columns, including: a central node 1, a steel beam 3, a beam web splice plate 10 and upper and lower steel columns 2; wherein,,
the central node 1 comprises a bottom plate 5, a column web 7, a cover plate 6 and a beam web 8; the bottom plate 5, the column web 7 and the cover plate 6 are sequentially welded and connected from bottom to top; the beam web 8 is welded on the outer side wall of the column web 7;
the upper steel column 2 and the lower steel column 2 are respectively welded with the cover plate 6 and the bottom plate 5;
the steel beam 3 is a welded H-shaped beam, and a lap plate 4 is welded above two sides of the upper flange of the steel beam 3; the lap plate 3 and the lower flange of the steel beam are fixedly connected with the cover plate 6 and the bottom plate 5 through high-strength bolts respectively; the length of the connection part of the bottom plate 5 and the lower flange is longer than that of the connection part of the cover plate 6 and the lapping plate 4; after the web plate of the steel beam 3 is in butt joint with the web plate 8, the steel beam is fixedly connected with the web plate through the web plate splice plate 10 and the high-strength bolts 9. The laying and lapping mode of the flange part of the steel beam is realized by arranging the lapping plate 4, so that the steel beam is convenient to construct and position and be connected with bolts.
In this embodiment, as a further technical solution, two sides of the butt joint portion of the web of the steel beam 3 and the web 8 are provided with the web splice plates 10. By adopting the mode that the beam web splice plates 10 are arranged on two sides, the connection strength between the web of the steel beam 3 and the beam web 8 is ensured.
In this embodiment, as a further technical solution, the node structure includes several layers of the central node 1 and the steel column 2 that are welded in sequence.
In this embodiment, a plurality of stiffening ribs may be preferably provided on the outer side wall of the column web 7. The stiffening ribs ensure the overall strength of the central node 1.
In this embodiment, preferably, a plurality of column foot stiffeners may be provided at the connection of the upper and lower steel columns 2 and the central node 1. The connection strength and the stability of the steel column and the central node 1 are ensured by arranging column foot stiffening ribs.
Embodiment two:
referring to fig. 6 to 8, the present embodiment provides a method for manufacturing a node structure for rigidly connecting a rolled steel beam and a steel column, comprising the steps of:
s1: welding and prefabricating a bottom plate, a column web plate, a cover plate and a beam web plate in the central node in a factory;
s2: prefabricating and welding the upper steel column, the lower steel column, the cover plate and the bottom plate into a whole in a factory;
s3: sequentially welding a plurality of steel columns and central nodes according to requirements to form a multi-layer steel column and central node integrated prefabrication unit;
s4: prefabricating and welding a lap plate on each side of the upper flange of the steel beam in a factory;
s5: after the lapping plate is lapped with the cover plate, fixedly connecting the steel beam with a central node through a high-strength bolt;
s6: and fixedly connecting the web plate of the steel beam with the web plate of the beam through the web plate splice plate and the high-strength bolts.
In conclusion, the node structure omits on-site butt welding penetration welding of a bolt welding connection node flange, and realizes the full-bolt assembly of a beam column and a node in a construction site; compared with the traditional full-bolt connection node, the number of bolts at the flange part is reduced by half; the laying and overlapping mode of the flange part is convenient for the construction of the beam to be in place and connected with the bolts; the multi-layer column and the standardized node are welded and prefabricated into a whole in a factory, so that the speed of on-site construction and assembly is increased. In addition, the beam at the joint part is communicated and is stressed reasonably; realizing factory standardized prefabrication production; the on-site assembly is convenient and quick, and the construction speed is improved.
Example III
As shown in fig. 10-11, the present application also discloses a residential architecture system with the above node structure, which includes: vertical load bearing units, lateral load bearing units 20, and precast floor slabs 30;
the vertical bearing unit comprises a plurality of upright posts which are sequentially butted up and down; the upright posts are steel columns 2, and a plurality of steel columns 2 are sequentially butted through a central node 1. Specifically, two vertical columns adjacent to each other vertically comprise the upper steel column and the lower steel column; the upper steel column and the lower steel column are connected through a central node 1.
The lateral load bearing unit 20 includes: a transverse bearing frame and a containment wall 21 arranged outside the transverse bearing frame; the transverse bearing frame comprises a steel beam 3 transversely arranged at the upper edge of the enclosure wall 21; the plurality of vertical bearing units are used as vertical bearing structures of the building to be erected at intervals in parallel; the transverse load bearing units 20 are arranged between two adjacent vertical load bearing units; the two ends of the steel beam 3 are respectively provided with a connecting end head 3a extending out of the enclosure wall 21; the connecting end 3a is lapped on the central node 1, and the upper flange and the lower flange of the connecting end 3a are fixedly connected with the cover plate and the bottom plate of the central node 3 through high-strength bolts respectively; the web of the connecting end 3a is fixedly connected with the web of the central node 1 through a web splice plate and a high-strength bolt after being in butt joint. In this embodiment, the upper flange of the connecting end 3a is the splice plate 4.
The edge of the precast floor slab 30 comprises a lap joint part 31 used for being connected with the transverse bearing unit 20, the lap joint part 31 is lapped on a steel beam 3 of the transverse bearing unit 20, an upper connecting structure 23 is arranged on the outer side surface of an upper flange of the steel beam 3, the lap joint part 31 of the precast floor slab 30 is provided with a steel bar lantern ring 33 protruding out of the enclosure wall 21, the steel bar lantern ring 33 is horizontally arranged, the upper connecting structure 23 is spliced in the steel bar lantern ring 33, and concrete is poured at the joint of the precast floor slab 30 and the transverse bearing unit 20 to ensure that the precast floor slab 30 and the transverse bearing unit 20 are connected into a whole; the gaps between the transverse load-bearing units 20 and the vertical load-bearing units on the left and right sides are filled with concrete, so that the transverse load-bearing units 20 are connected with the vertical load-bearing units on the left and right sides into a whole.
In the height direction, two adjacent upper and lower transverse load bearing units 20 include an upper transverse load bearing unit and a lower transverse load bearing unit; a space is left between the upper transverse load-bearing unit and the lower transverse load-bearing unit, and the edges of the precast floor slabs 30 extend into the space and overlap the steel beams 3 of the lower transverse load-bearing unit.
More preferably, the transverse bearing frame further comprises a lower frame beam transversely arranged at the lower edge of the enclosure wall 21; a lower connecting structure is preset on the bottom surface of the lower frame beam; the lower connection structure of the upper transverse load-bearing unit is inserted downwards into the steel bar collar 33 at the edge of the precast floor slab 30.
Gaps between the upper transverse bearing units and the vertical bearing units on two sides are connected at intervals between the upper transverse bearing units and the lower transverse bearing units to form a U-shaped post-cast strip; the U-shaped post-cast strip is completely filled with concrete, and the upper transverse bearing unit, the vertical bearing unit and the lower transverse bearing unit are connected into a whole.
The top surface edge of the lap joint part 31 of the precast floor slab 30 is provided with a sunken step, and in the height direction, the lower frame Liang Shen of the upper transverse bearing unit enters the step, and an L-shaped seam which is communicated with the inside and the outside of the interval is formed between the step and the upper transverse bearing unit. In the direction of height, the lower frame roof beam of top prefabricated enclosure stretches into in the 31 steps of overlap joint portion, and the top surface of prefabricated floor 30 exceeds the lower frame roof beam bottom surface setting of top prefabricated enclosure promptly, and the lower frame roof beam of top prefabricated enclosure forms a limit structure that prevents prefabricated floor 30 horizontal migration naturally from this, when natural disasters such as earthquake take place, can prevent effectively that prefabricated floor 30 from breaking away from the steel in the prefabricated enclosure and dropping, and shock resistance is better.
In this embodiment, the upper and lower connection structures 23, 23 are pegs. The lower frame beam is an I-shaped beam, and the I-shaped beam comprises a flange and a web plate.
In addition, the edge of the precast floor slab 30 comprises a butt joint part 32 which is in butt joint with the adjacent precast floor slab 30, a sinking platform is arranged on the top surface of the edge of the butt joint part 32, and overhanging hu-zi ribs 34 are arranged on the corresponding side surfaces of the sinking platform at the butt joint part; adjacent two precast floor slabs 30 are butted together, the sinking tables on the butted parts of the two precast floor slabs 30 are butted to form a U-shaped groove, and the beard ribs on the butted parts of the two precast floor slabs 30 are mutually lapped and connected; and filling concrete into the U-shaped groove.
The residential structure system disclosed by the application is a steel structure residential building system capable of being quickly assembled on a construction site, solves the problems of exposed column of a beam, unmatched enclosure structures, joint processing of assembled components and the like, reduces component connection parts and accelerates construction speed.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.
Claims (6)
1. A residential structural system with a node structure for rigidly connecting a rolled steel beam to a steel column, said node structure comprising: center node, steel beam, web splice plate and upper and lower steel columns; wherein,,
the central node comprises a bottom plate, a column web plate, a cover plate and a beam web plate; the bottom plate, the column web plate and the cover plate are sequentially welded and connected from bottom to top; the beam web is welded on the outer side wall of the column web;
the upper steel column and the lower steel column are respectively welded with the cover plate and the bottom plate;
the steel beam is a welded H-shaped beam, and a lap plate is welded above two sides of the upper flange of the steel beam respectively; the lap plate and the lower flange of the steel beam are fixedly connected with the cover plate and the bottom plate through high-strength bolts respectively; the length of the connecting part of the bottom plate and the lower flange is longer than that of the connecting part of the cover plate and the lapping plate; after the web plate of the steel beam is in butt joint with the web plate of the beam, the steel beam is fixedly connected with the web plate of the beam through the web plate splice plate and the high-strength bolt;
further comprises: vertical bearing units, transverse bearing units and prefabricated floors;
the vertical bearing unit comprises a plurality of upright posts which are sequentially butted up and down; the two vertical columns which are adjacent up and down comprise an upper steel column and a lower steel column; the upper steel column and the lower steel column are connected through the central node;
the transverse load bearing unit comprises: the support wall comprises a transverse bearing frame and a support wall body arranged outside the transverse bearing frame; the transverse bearing frame comprises the steel beams transversely arranged on the edge above the enclosure wall;
a plurality of vertical bearing units are used as vertical bearing structures of the building to be erected at intervals in parallel; the transverse bearing units are arranged between two adjacent vertical bearing units;
connecting ends extending out of the enclosure wall are respectively arranged at two ends of the steel beam; the connecting end is lapped on the central node, and the upper flange and the lower flange of the connecting end are fixedly connected with the cover plate and the bottom plate of the central node through high-strength bolts respectively; the web plate of the connecting end is fixedly connected with the web plate of the central node through the web plate splice plate and the high-strength bolt after being in butt joint;
the edge of the precast floor slab comprises a lap joint part used for being connected with the transverse bearing unit, the lap joint part is lapped on the steel beam of the transverse bearing unit, an upper connecting structure is arranged on the outer side face of an upper flange of the steel beam, the lap joint part of the precast floor slab is provided with a steel bar sleeve ring protruding out of the enclosure wall body, the upper connecting structure is inserted in the steel bar sleeve ring, and concrete is poured at the joint of the precast floor slab and the transverse bearing unit to enable the precast floor slab and the transverse bearing unit to be connected into a whole; and gaps between the transverse bearing units and the vertical bearing units on the left side and the right side are filled with concrete, so that the transverse bearing units and the vertical bearing units on the left side and the right side are connected into a whole.
2. The residential structural system of claim 1, wherein in a height direction, two of said lateral load bearing units adjacent one another up and down comprise an upper lateral load bearing unit and a lower lateral load bearing unit; and a space is reserved between the upper transverse bearing unit and the lower transverse bearing unit, and the edge of the precast floor slab stretches into the space and is lapped on the steel beam of the lower transverse bearing unit.
3. The residential structural system of claim 2, wherein said lateral load-bearing frame further comprises a lower perimeter beam positioned laterally to the lower edge of said enclosure wall; a lower connecting structure is preset on the bottom surface of the lower frame beam; the lower connecting structure of the upper transverse bearing unit is downwards inserted into the steel bar sleeve ring at the edge of the precast floor slab.
4. The residential structural system of claim 2, wherein said gap between said upper lateral load bearing units and said vertical load bearing units on both sides and said spaced connection between said upper lateral load bearing units and lower lateral load bearing units form a U-shaped post-cast strip; the U-shaped post-cast strip is completely filled with concrete, and the upper transverse bearing unit, the vertical bearing unit and the lower transverse bearing unit are connected into a whole.
5. The residential structural system of claim 1, wherein the web splice plates are provided on both sides of the web of the steel beam and the web interface.
6. The residential structural system of claim 1, wherein said node structure comprises a plurality of layers of said central node and said steel columns welded together in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811026052.0A CN108951862B (en) | 2018-09-04 | 2018-09-04 | Node structure for rigid connection of rolled steel beam and steel column, manufacturing method and residential structure system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811026052.0A CN108951862B (en) | 2018-09-04 | 2018-09-04 | Node structure for rigid connection of rolled steel beam and steel column, manufacturing method and residential structure system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108951862A CN108951862A (en) | 2018-12-07 |
| CN108951862B true CN108951862B (en) | 2023-10-03 |
Family
ID=64475746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811026052.0A Active CN108951862B (en) | 2018-09-04 | 2018-09-04 | Node structure for rigid connection of rolled steel beam and steel column, manufacturing method and residential structure system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108951862B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359555A (en) * | 2019-07-19 | 2019-10-22 | 北京工业大学 | The bean column node of assembling type steel structure built-in inserted plate quadrate steel pipe column clamping plate connection |
| CN112160424A (en) * | 2020-08-25 | 2021-01-01 | 深圳市博大建设集团有限公司 | Light-duty prefabricated house wallboard node connection structure and installation method thereof |
| CN112144668B (en) * | 2020-09-29 | 2021-11-09 | 青岛理工大学 | Tenon type inserted assembled steel-concrete combined node |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09203143A (en) * | 1996-01-29 | 1997-08-05 | Tokyu Koken Kk | Connection method of perpendicular part of wall plate of wall precast reinforced concrete |
| CN103290928A (en) * | 2012-03-02 | 2013-09-11 | 青岛理工大学 | Steel structure beam column assembled rigid node |
| CN104032868A (en) * | 2014-06-18 | 2014-09-10 | 山东鲁帆集团有限公司 | Module floor slab assembling structure for building and process method |
| CN105332422A (en) * | 2015-11-03 | 2016-02-17 | 北京工业大学 | Vertical outer rib beam-column joint connector applicable to prefabricated steel structural systems |
| CN106121042A (en) * | 2016-08-25 | 2016-11-16 | 中冶建筑研究总院有限公司 | A kind of steel column flange form splicing node and installation method |
| CN206174146U (en) * | 2016-11-04 | 2017-05-17 | 湖南东方红建设集团有限公司 | Assembly type structure's assembly node |
| CN106759951A (en) * | 2017-01-18 | 2017-05-31 | 黄坤坤 | A kind of assembled ring muscle is fastened and is anchored concrete shear force wall one side floor connection structure |
| CN108149792A (en) * | 2017-12-25 | 2018-06-12 | 武汉科技大学 | A kind of concrete-filled circular steel tube column-girder steel outer ring plate bolt connection node |
| CN108193782A (en) * | 2018-02-02 | 2018-06-22 | 青岛理工大学 | Prefabricated modular frame node and assembling method thereof |
| CN209114604U (en) * | 2018-09-04 | 2019-07-16 | 中冶建筑研究总院（深圳）有限公司 | One kind is for rolling girder steel and the rigidly connected node structure of steel column and Housing Structure System |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017036653A (en) * | 2015-08-07 | 2017-02-16 | 日鐵住金建材株式会社 | Column-beam joining structure and method, method of designing column-beam joining structure, and program for designing column-beam joining structure |
-
2018
- 2018-09-04 CN CN201811026052.0A patent/CN108951862B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09203143A (en) * | 1996-01-29 | 1997-08-05 | Tokyu Koken Kk | Connection method of perpendicular part of wall plate of wall precast reinforced concrete |
| CN103290928A (en) * | 2012-03-02 | 2013-09-11 | 青岛理工大学 | Steel structure beam column assembled rigid node |
| CN104032868A (en) * | 2014-06-18 | 2014-09-10 | 山东鲁帆集团有限公司 | Module floor slab assembling structure for building and process method |
| CN105332422A (en) * | 2015-11-03 | 2016-02-17 | 北京工业大学 | Vertical outer rib beam-column joint connector applicable to prefabricated steel structural systems |
| CN106121042A (en) * | 2016-08-25 | 2016-11-16 | 中冶建筑研究总院有限公司 | A kind of steel column flange form splicing node and installation method |
| CN206174146U (en) * | 2016-11-04 | 2017-05-17 | 湖南东方红建设集团有限公司 | Assembly type structure's assembly node |
| CN106759951A (en) * | 2017-01-18 | 2017-05-31 | 黄坤坤 | A kind of assembled ring muscle is fastened and is anchored concrete shear force wall one side floor connection structure |
| CN108149792A (en) * | 2017-12-25 | 2018-06-12 | 武汉科技大学 | A kind of concrete-filled circular steel tube column-girder steel outer ring plate bolt connection node |
| CN108193782A (en) * | 2018-02-02 | 2018-06-22 | 青岛理工大学 | Prefabricated modular frame node and assembling method thereof |
| CN209114604U (en) * | 2018-09-04 | 2019-07-16 | 中冶建筑研究总院（深圳）有限公司 | One kind is for rolling girder steel and the rigidly connected node structure of steel column and Housing Structure System |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108951862A (en) | 2018-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109057023B (en) | Node structure for rigid connection of steel structure beam column, manufacturing method thereof and residential structure system | |
| CN107090925B (en) | Reinforced precast reinforced concrete shear wall, structural system and construction method thereof | |
| CN108867869B (en) | Separated bracket node structure for steel structure beam column connection, manufacturing method and residential structure system | |
| CN107938835B (en) | Prefabricated assembled frame adopting steel reinforced concrete column and steel beam combination | |
| CN208950057U (en) | One kind being used for the rigidly connected node structure of beam column of steel structure and Housing Structure System | |
| CN108951862B (en) | Node structure for rigid connection of rolled steel beam and steel column, manufacturing method and residential structure system | |
| CN108005410B (en) | Assembled steel-concrete combined structure residential system and construction method thereof | |
| CN208870183U (en) | A kind of adjustable beam-to-column joint structure of rigidity for steel construction and Housing Structure System | |
| KR101658648B1 (en) | Beam-column joint and simultaneous construction method of upper and lower part of building using thereof | |
| CN108867871A (en) | A kind of adjustable beam-to-column joint structure of rigidity for steel construction and Housing Structure System | |
| CN208870184U (en) | One kind being used for the rigidly connected node structure of beam column of steel structure and Housing Structure System | |
| CN112502714B (en) | Assembled shaft barrel structure and design and construction method | |
| CN108867872B (en) | Node structure for rigid connection of steel structure beam column, manufacturing method thereof and residential structure system | |
| CN114370126B (en) | Prefabricated unit of assembled hybrid column extension and connected node | |
| CN114575532B (en) | Prefabricated unit of assembled hybrid column with bracket and connecting node | |
| CN209114604U (en) | One kind is for rolling girder steel and the rigidly connected node structure of steel column and Housing Structure System | |
| CN209053231U (en) | A kind of separate type bracket node structure and Housing Structure System for beam column of steel structure connection | |
| CN210066817U (en) | Assembly integral vault is striden no post underground structure greatly | |
| JP4996370B2 (en) | Frame assembly method and building frame | |
| CN215759633U (en) | Concrete beam and wall, post connected node | |
| CN108842910A (en) | A kind of more limb steel columns of assembled-freely-supported concrete plate Housing Structure System and its construction method | |
| CN210066816U (en) | Assembled vault is striden no post underground structure greatly | |
| CN208870177U (en) | A kind of more limb steel columns of assembled-freely-supported concrete plate Housing Structure System | |
| CN210767231U (en) | Support-free prefabricated assembly type steel reinforced concrete beam column joint with bracket | |
| CN210066818U (en) | Assembled flat top has post underground structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |